Hastingsite photo

Species data (EDS plot).

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HASTINGSITE [Na][Ca2][Fe2+4Fe3+][(OH)2|Al2Si6O22]
Locality: Red Hill, Moultonborough, NH  
Specimen Size:   3 cm specimen with black embedded Hastingsite crystal section
Environment:    Nepheline-syenite rock
Field collected:   Tom Mortimer